iPresent It – you present it

iPresent It from ZappTek converts PowerPoint, PDF, and Keynote presentations into slideshows that can be synced to the iPhone, iPod Touch, and iPod Photo and later models. The latest release (v.2.4) adds support for Keynote '09.
(Source: Macintouch) | Cost: US$17.95 | Requires: Mac OS X 10.3+, Windows | For further info...